Based on the research work of Dr. Simon Lineykin Model development Lineykin, S. and Ben-Yaakov, S., Analysis of thermoelectric coolers by a spice-compatible equivalent-circuit model. IEEE Power Electronics Letters, 3, 2, 63-66, 2005. pdf Design of cooling systems  Lineykin, S. and Ben-Yaakov, S., User-friendly and intuitive graphical approach to the design of thermoelectric cooling systems. International J. of refrigeration, 30, 5, 798-804, 2007 pdf